Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

It is the angle of the Earth's tilt that causes the seasons: spring, summer, autumn and winter. In summer, daytime is longer than night-time and there are more hours of daylight. In regions near ...

A year is the time it takes to orbit the sun. And we have seasons because the Earth's axis is tilted by 23 degrees. To see how that works we need to speed time up, so a year passes in just ten ...

While Australia charts the seasons based on the Gregorian calendar, countries like the United States use significant points in the Earth's orbit around the Sun to define the changes. Here's what ...